What is the earliest sign of increased intracranial pressure?

Master the NCLEX Intracranial Pressure Exam with targeted questions and detailed explanations. Enhance your preparation with our comprehensive test format, practice multiple choice questions, and effective study tips to boost your confidence and exam readiness.

Multiple Choice

What is the earliest sign of increased intracranial pressure?

Explanation:
The earliest sign of rising intracranial pressure is a change in level of consciousness. As ICP begins to rise, cerebral perfusion is compromised and the reticular activating system plus cortical function start to be affected, causing subtle to early alterations in alertness, restlessness, confusion, or drowsiness before focal neurological changes appear. Fever isn’t a sign of ICP itself; it points to infection or another process. A narrowing pulse pressure isn’t typical of ICP progression—earlier you’d expect a widened pulse pressure with the Cushing response. Bradycardia is part of the late Cushing triad and usually occurs after LOC changes have already appeared.

The earliest sign of rising intracranial pressure is a change in level of consciousness. As ICP begins to rise, cerebral perfusion is compromised and the reticular activating system plus cortical function start to be affected, causing subtle to early alterations in alertness, restlessness, confusion, or drowsiness before focal neurological changes appear.

Fever isn’t a sign of ICP itself; it points to infection or another process. A narrowing pulse pressure isn’t typical of ICP progression—earlier you’d expect a widened pulse pressure with the Cushing response. Bradycardia is part of the late Cushing triad and usually occurs after LOC changes have already appeared.

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